{"product_id":"abb-red670-1mrk004810-ac-line-differential-protection","title":"ABB RED670 1MRK004810-AC Line Differential Protection","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB RED670\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a premier solution for the protection, control, and monitoring of overhead lines and cables. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1MRK004810-AC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant is specifically optimized for high-speed, phase-segregated line differential protection. It provides sub-cycle fault detection by comparing current values at both ends of a protected line via a dedicated communication link. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelion® 670.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1MRK004810-AC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLine Differential and Distance Protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMain Functions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePhase-segregated differential, 5-zone distance protection, Autoreclosing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIEC 61850 Editions 1 \u0026amp; 2, DNP 3.0, IEC 60870-5-103.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports HSR (High-availability Seamless Redundancy) and PRP.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTime Sync:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports IEEE 1588 PTP and IRIG-B.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6U height, 1\/2 x 19\" chassis with fiber-optic LDCM (Line Data Communication Module).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features and Engineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase-Segregated Differential Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvaluates each phase independently, providing superior sensitivity for single-phase-to-ground faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Distance Backup:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a full 5-zone distance protection scheme to ensure the line remains protected if the communication link fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Flexibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLDCM modules\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor direct fiber connection or multiplexed communication (C37.94).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCharging Current Compensation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced algorithms compensate for the capacitive charging current of long cables, preventing nuisance trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSynchrocheck and Autoreclosing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures built-in logic for multi-shot autoreclosing and synchronism verification to safely restore power after transient faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSub-cycle operating times (typically \u0026lt;1.5 cycles) minimize system stress and equipment damage during faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46868966277310,"sku":"RED670 1MRK004810-AC","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-05-08_13-53-16_c0c99a22-c3af-45b5-ac17-71beb50c79e2.png?v=1778316928","url":"https:\/\/www.autooiltech.com\/products\/abb-red670-1mrk004810-ac-line-differential-protection","provider":"AutoOilTech Limited","version":"1.0","type":"link"}